Because it is a living organism the patent was disputed and brought before the United States Supreme Court in the historic court case Diamond v. Chakrabarty which the inventor, Ananda Mohan Chakrabarty, won.
One approach by C. van den Berg et al. focuses on the use of impregnated particles for in situ recovery of phenol from Pseudomonas putida fermentations using ionic liquids.
Pseudomonas aeruginosa | Pseudomonas | Pseudomonas syringae | Pseudomonas fluorescens | Pseudomonas putida |